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首页> 外文期刊>Arabian Journal for Science and Engineering >Entropy Generation in Different Types of Fractionalized Nanofluids
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Entropy Generation in Different Types of Fractionalized Nanofluids

机译：不同类型的分级纳米流体的熵产生

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摘要

The study of classical nanofluid is limited to partial differential equations with integer-order neglecting memory effect. Fractionalized nanofluids, modeled by partial differential equations with Caputo time-fractional derivative, have the capability to address the memory effect. This article deals with the flow and entropy generation of electrically conducting different types of fractionalized nanofluids passing over an infinite vertical plate embedded in porous medium. The governing equations are transformed into dimensionless form, and then, a time-fractional model is generated using the Caputo approach. Two different nanoparticles (molybdenum disulfide and graphene oxide) are dispersed in three different base fluids (water, kerosene oil and methanol). The problem is solved for the exact solutions using the Laplace transformation technique. The impacts of fractional parameter a and volume fraction of nanoparticles. on velocity profile, entropy generation, Bejan number and the rate of heat transfer are exhibited in tabular form. Finally, the graphs are plotted for different types of nanoparticles and base fluids and discussed physically. Moreover, from present solutions, the well-known published results are recovered to validate the obtained results.
机译：对经典纳米流体的研究仅限于具有整数阶忽略记忆效应的偏微分方程。由具有Caputo时间分数导数的偏微分方程建模的分数纳米流体具有解决记忆效应的能力。本文讨论了通过嵌入多孔介质中的无限垂直平板通过的不同类型的分级纳米流体的导电性的流动和熵产生。控制方程被转换成无量纲形式，然后使用Caputo方法生成时间分数模型。将两种不同的纳米颗粒（二硫化钼和氧化石墨烯）分散在三种不同的基础流体（水，煤油和甲醇）中。使用拉普拉斯变换技术可以解决确切的问题。分数参数a和纳米粒子的体积分数的影响。在速度分布图上，以表格形式显示了熵的产生，Bejan数和传热速率。最后，绘制了不同类型的纳米颗粒和基础液的图形，并进行了物理讨论。此外，从当前解决方案中，回收了已知的公开结果以验证所获得的结果。

著录项

  • 来源
    《Arabian Journal for Science and Engineering》 |2019年第1期|531-540|共10页
  • 作者

    Saqib Muhammad; Ali Farhad; Khan Ilyas; Sheikh Nadeem Ahmad; Khan Arshad;

  • 作者单位

    Ton Duc Thang Univ, Computat Anal Res Grp, Ho Chi Minh City, Vietnam|Ton Duc Thang Univ, Fac Math & Stat, Ho Chi Minh City, Vietnam|City Univ Sci & Informat Technol, Dept Math, Peshawar 25000, Pakistan;

    Ton Duc Thang Univ, Computat Anal Res Grp, Ho Chi Minh City, Vietnam|Ton Duc Thang Univ, Fac Math & Stat, Ho Chi Minh City, Vietnam|City Univ Sci & Informat Technol, Dept Math, Peshawar 25000, Pakistan;

    Majmaah Univ, Coll Engn, Basic Engn Sci Dept, Majmaah 11952, Saudi Arabia;

    Ton Duc Thang Univ, Computat Anal Res Grp, Ho Chi Minh City, Vietnam|Ton Duc Thang Univ, Fac Math & Stat, Ho Chi Minh City, Vietnam|City Univ Sci & Informat Technol, Dept Math, Peshawar 25000, Pakistan;

    Univ Agr, Inst Business & Comp Sci, Peshawar, Pakistan;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Fractionalized nanofluids; Entropy generation; Bejan number; Caputo time-fractional derivatives; Exact solutions;

    机译：分馏的纳米流体熵产生Bejan数Caputo时间分数导数精确解;

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